(ちょうしんき)

ちょうしんき
noun
stethoscope
1. stethoscope
A medical instrument used to listen to sounds within the body, especially heartbeat and breathing. Composed of 聴 (listen), 診 (examine), and 器 (instrument).
医者(いしゃ)聴診器(ちょうしんき)()てた。
The doctor placed the stethoscope on me.
聴診器(ちょうしんき)心音(しんおん)確認(かくにん)する。
To check the heartbeat with a stethoscope.
看護師(かんごし)聴診器(ちょうしんき)(くび)にかけたまま廊下(ろうか)(ある)いていた。
The nurse walked down the hallway with a stethoscope draped around her neck.

USAGE:
聴診器(ちょうしんき) is a straightforward medical term. The character breakdown — (ちょう) (listen) + (しん) (examine) + () (instrument) — makes the meaning transparent.

COMMON COLLOCATIONS:

  • 聴診器(ちょうしんき)()てる (to apply a stethoscope)
  • 聴診器(ちょうしんき)()く (to listen with a stethoscope)
  • 聴診器(ちょうしんき)(くび)にかける (to hang a stethoscope around one's neck)

SIMILAR WORDS:
血圧計(けつあつけい) (blood pressure monitor) and 体温計(たいおんけい) (thermometer) are other common medical instruments that learners may encounter.